a.k.a. Star Trek The Original Series Gorn Mug
This is a mug shaped like a Gorn, a dangerous alien from the science fiction Star Trek original series. The Gorn first appeared in a 1967 episode of the original series, "Arena", in which Captain Kirk fights an unnamed Gorn on a rocky planet. This mug is one in a set of six mugs including Captain Kirk, Dr. McCoy, a Gorn, a Klingon, Mr. Spock, and a Mugato.